| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] not that | 301 |
|
| 2 | [pron] [is] not necessary | 282 |
|
| 3 | [pron] [is] necessary that | 43 |
|
| 4 | [is] not necessary that | 7 |
|
